Recycling of ziplock bags for the benefit of human life

Self-sealing bags Polyurethane thermo-elastics have a high tear strength, usually up to 10 times that of natural rubber. However, the high temperature performance of the hinge is poor, and the ambient temperature is lower than the energy. In terms of electrical properties, since the polyurethane thermal elastomer has a certain hydrophilic property, it absorbs small moisture and the insulation is decreased. The use of a restricted thermoplastic elastomer in the case of high insulation is used in addition to the external diene. In most cases, raw materials for injection molding use new materials. However, for some products that are not very demanding, people often use recycled raw materials for injection molding. This aspect can reduce costs; on the other hand, recycling of plastic materials can be achieved. Conducive to environmental protection. Most thermally rational plastic products are recyclable. For example, the return materials used for injection molded products are some relatively clean and aging plastics. Its main source has two aspects. The scraps and wastes produced in the production process of the plastics production plant, the size and surface shape of the filler have certain influence on the plastic performance of the bamboo. The spherical or cubic shape can generally improve the successful addition of L performance, but the mechanical strength is poor; 16 scales On the contrary, the finer the particles, the greater the improvement in the rigidity, impact, tensile strength and appearance of the polymer. The addition of fillers may result in some degradation of the polymer properties, such as powdered fillers which tend to reduce the tensile strength, tear strength and low temperature resistance of the plastic.
When a large amount is added, the molding plus performance and surface gloss are lowered, so the variety, specification and addition amount should be reasonably selected. When selecting the filler, the filler is required to have the following properties: good dispersibility in the resin, large filling amount; no reduction in the performance of the resin and the modification effect of the physical component of the product; itself should have water resistance and heat resistance Sex and chemical resistant parts; a dispersing part and other energy that affect other auxiliaries; the absorption of plasticizer is small, and there is no twisting and whitening phenomenon. The mechanism of action of the filler is generally explained as: the active surface of the filled granules combines with some polymer macromolecular chains to form a crosslinked structure. When one of the molecules receives the stress, the stress can be dispersed to other molecular soils through these crosslinking points. If a small chain breaks, the other irons also act as reinforcements without affecting the entire product quickly. Today, plastic bags are everywhere in life, and people naturally think of using plastic bags when they are loading things. However, while plastic bags are convenient for people's lives, they also endanger everyone's health.
Because many office workers are tight in the morning, most of them buy some early on the roadside and then pack them in plastic bags. For these heated foods, it is highly unwise to use plastic bags. The plastic bag has a relatively stable molecular structure at normal temperature, but in the case of heating, the molecules are easily decomposed and incorporated into the food, and finally enter the mouth of people.
It is reported that from the results of the test, it can be seen that the chemical composition of the plastic bags donated by the food stalls is polyvinyl chloride. Ten kinds of foods that had not been in contact with plastic bags were found to have the presence of plasticizers except for egg tarts, and exceeded the national standard for the maximum allowable concentration of harmful substances in drinking water sources (8 μg/kg). Plasticizers enter the food directly through the plastic bag, and high temperature and high fat are likely to be the accomplices to accelerate the dissolution of plasticizers. It can be seen that the convenience that the people often think is just a violation of their own actions.
Too many incorrect use of plastic bags can cause many health problems. As time goes on, the increase of carcinogens will eventually lead to irreversible consequences.
Plastic packaging bag recycling method 1: melt regeneration, this method is mainly to reheat plastic plastic waste, this method is divided into two categories: one is the resin plant's scrap, it is a simple regeneration method, melting After regeneration, it can be made into a better plastic product. The other type is the recycling of various plastic products that have been mixed together after use. This method can only remanufacture some poorly performing plastic products.
Plastic packaging bag recycling method 2: energy recovery. Energy recovery refers to the recovery of heat generated by the burning of waste plastics for other purposes.
Plastic packaging bag recycling method 3: Thermal cracking refers to the method of burning the selected waste plastics by thermal cracking to obtain combustion oil and fuel gas.
Plastic packaging bag recycling method 4: Recycling chemical raw materials, which is a method of chemically decomposing waste plastic into chemical raw materials for recycling. It is added with polyester ammonia, and the raw material monomer during synthesis can be obtained by hydrolysis.
From the current situation, the used plastic bags are mainly through landfill, incineration, composting, recycling and degradable plastics. These methods can solve the problems caused by short-time plastic bags, but in the long run It will still cause harm to the environment. Therefore, the methods for recycling the above-mentioned several plastic packaging bags are still ideal.

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